/*

This file is part of Ext JS 4

Copyright (c) 2011 Sencha Inc

Contact:  http://www.sencha.com/contact

Commercial Usage
Licensees holding valid commercial licenses may use this file in accordance with the Commercial Software License Agreement provided with the Software or, alternatively, in accordance with the terms contained in a written agreement between you and Sencha.

If you are unsure which license is appropriate for your use, please contact the sales department at http://www.sencha.com/contact.

*/
Ext.require([
    'Ext.ProgressBar'
]);

Ext.onReady(function(){
    //Please do not use the following runner code as a best practice! :)
    var Runner = function(){
        var f = function(v, pbar, btn, count, cb){
            return function(){
                if(v > count){
                    btn.dom.disabled = false;
                    cb();
                }else{
                    if(pbar.id=='pbar4'){
                        //give this one a different count style for fun
                        var i = v/count;
                        pbar.updateProgress(i, Math.round(100*i)+'% completed...');
                    }else{
                        pbar.updateProgress(v/count, 'Loading item ' + v + ' of '+count+'...');
                    }
                }
           };
        };
        return {
            run : function(pbar, btn, count, cb) {
                btn.dom.disabled = true;
                var ms = 5000/count;
                for(var i = 1; i < (count+2); i++){
                   setTimeout(f(i, pbar, btn, count, cb), i*ms);
                }
            }
        };
    }();

    //==== Progress bar 1 ====
    var pbar1 = Ext.create('Ext.ProgressBar', {
       text:'Initializing...'
    });

    var btn1 = Ext.get('btn1');
    btn1.on('click', function() {
        Ext.fly('p1text').update('Working');
        if (!pbar1.rendered) {
            pbar1.render('p1');
        } else {
            pbar1.text = 'Initializing...';
            pbar1.show();
        }
        Runner.run(pbar1, Ext.get('btn1'), 10, function() {
            pbar1.reset(true);
            Ext.fly('p1text').update('Done.').show();
        });
    });

    //==== Progress bar 2 ====
    var pbar2 = Ext.create('Ext.ProgressBar', {
        text:'Ready',
        id:'pbar2',
        cls:'left-align',
        renderTo:'p2'
    });

    var btn2 = Ext.get('btn2');

    btn2.on('click', function() {
        Runner.run(pbar2, btn2, 12, function() {
            pbar2.reset();
            pbar2.updateText('Done.');
        });
    });

    //==== Progress bar 3 ====
    var pbar3 = Ext.create('Ext.ProgressBar', {
        id:'pbar3',
        width:300,
        renderTo:'p3'
    });

    pbar3.on('update', function(val) {
        //You can handle this event at each progress interval if
        //needed to perform some other action
        Ext.fly('p3text').dom.innerHTML += '.';
    });

    var btn3 = Ext.get('btn3');

    btn3.on('click', function(){
        Ext.fly('p3text').update('Working');
        btn3.dom.disabled = true;
        pbar3.wait({
            interval: 200,
            duration: 5000,
            increment: 15,
            fn:function() {
                btn3.dom.disabled = false;
                Ext.fly('p3text').update('Done');
            }
        });
    });

    //==== Progress bar 4 ====
    var pbar4 = Ext.create('Ext.ProgressBar', {
        text:'Waiting on you...',
        id:'pbar4',
        textEl:'p4text',
        cls:'custom',
        renderTo:'p4'
    });

    var btn4 = Ext.get('btn4');

    btn4.on('click', function() {
        Runner.run(pbar4, btn4, 19, function() {
            pbar4.updateText('All finished!');
        });
    });
});

